CN114142390A - Anti-drop formula coaster - Google Patents
Anti-drop formula coaster Download PDFInfo
- Publication number
- CN114142390A CN114142390A CN202111313511.5A CN202111313511A CN114142390A CN 114142390 A CN114142390 A CN 114142390A CN 202111313511 A CN202111313511 A CN 202111313511A CN 114142390 A CN114142390 A CN 114142390A
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- auxiliary
- block
- falling
- suspension
- locking
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention discloses an anti-falling tackle, belonging to the technical field of power transmission line maintenance, comprising a working block, wherein working frames are fixed on two sides of the working block, a suspension groove and an anti-falling groove are arranged on the inner sides of the two working frames, a suspension mechanism and an anti-falling mechanism are respectively arranged in the suspension groove and the anti-falling groove, auxiliary mechanisms are arranged on the outer sides of the two working frames, a guide block is arranged at the far end of each working frame, a hanging ring made of metal is arranged on the upper side of the working block, the internal structure of the whole mechanism is compact, the weight is reduced when compared with the common tackle, the labor intensity of workers during back movement is reduced, the safety is improved during climbing, the transmission rope is guided due to the existence of the guide block during use, the possibility of twisting of the transmission rope is greatly reduced, and a rolling wheel rotates along with the movement of the transmission rope during rotation, and then the anti-drop mechanism is driven to work.
Description
Technical Field
The invention belongs to the technical field of power transmission line maintenance, and particularly relates to an anti-falling pulley.
Background
At present, the condition that the transmission rope drops from the coaster and the coaster drops from no first rope often can appear in transmission line power failure maintenance work, this kind of phenomenon very big increase operation personnel's work load, intensity of labour, can cause equipment even, the multiplexer utensil risk of dropping the damage, present stage, the closed type coaster of mainly using in daily maintenance work, this kind of coaster is that the operation personnel penetrate the transmission rope in the coaster in advance, then by on operation personnel braces to the tower, if the two transmission ropes of braces then the power consumption, cause the transmission rope to twist easily and drop ground in the use, consequently bring a great deal of inconvenience, circuit operation personnel are not often used.
The problem to above-mentioned current method existence, inside current coaster transmission rope penetrated the coaster in the use, later by the staff back to the tower, on the one hand weight is great to cause staff intensity of labour too big, make the potential safety hazard appear easily in the climbing in-process, on the other hand transmission rope appears twisting easily and ground that drops in the use, cause the accident of heavy object to fall and cause damage and potential safety hazard, improve the coaster according to the reason that the coaster drops, make it possess locking function in the twinkling of an eye, change rope atress direction, ensure that the heavy object falls from the coaster from the transmission rope, effectively prevent the emergence of the condition of droing, operation security and work efficiency are improved.
Disclosure of Invention
The invention aims to: the anti-falling tackle aims to solve the problems that in the implementation process of the existing method, the transmission rope is easy to twist and fall in the use process of the existing tackle, so that the existing tackle is prone to causing accidental falling, and damage and potential safety hazards occur.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an anti-drop formula coaster, includes the work piece, work piece both sides are fixed with the work frame, two the work frame inboard is opened has suspension groove and anticreep groove, suspension groove and anticreep inslot portion are equipped with respectively and hang mechanism and anti-disengaging mechanism, two the work frame outside is equipped with complementary unit, two the work frame distal end is equipped with the guide block, the work piece upside is equipped with the rings of metal material.
As a further description of the above technical solution: compact structure and simple are carried on the back to required height by the staff when using, later accomplish through rings to hang fixedly, penetrate two inside mechanisms that hang of work frame with the transmission rope inside to both ends pass the guide block both sides respectively and can use, if the accident appears falling then the anticreep mechanism is automatic to be worked and is pressed the transmission rope and be fixed in hanging the mechanism inside and hover.
Furthermore, the suspension mechanism comprises suspension bearings, two ends of each suspension bearing are respectively and rotatably connected to the insides of the suspension grooves of the two working frames, the middle of each suspension bearing is rotatably connected with a suspension block, two ends of each suspension block are respectively and fixedly provided with a rolling wheel, a driving transmission gear is arranged on the outer side of each rolling wheel, a plurality of friction rods which are uniformly distributed are arranged on the inner side of each rolling wheel, and the outer surfaces of the rolling wheels and the outer surfaces of the friction rods are frosted surfaces.
As a further description of the above technical solution: the transmission rope passes through inside two workbenches of guide block biography, spanes the inboard hanging piece outside of two rolling wheels for the transmission rope is placed at the hanging piece upside, and two rolling wheels are to the transmission rope outside extrusion simultaneously, make the transmission rope hang the piece and the rolling wheel is followed the transmission rope and is carried out synchronous rotation when the pulling, and then drive initiative drive gear and rotate.
Further, the anti-disengaging mechanism comprises two anti-disengaging bearings, one ends of the two anti-disengaging bearings are respectively and rotatably connected to the insides of the two suspension grooves, the far ends of the anti-disengaging bearings are rotatably connected with driven transmission gears meshed with the driving transmission gears, an anti-disengaging assembly is arranged between the two driven transmission gears and comprises a rotating shaft, two ends of the rotating shaft are respectively fixed to the outsides of the two driven transmission gears, the rotating shaft is provided with a centrifugal opening, the inner part of the centrifugal opening is slidably connected with a centrifugal shaft, a locking shaft is rotatably connected between the two driven transmission gears and is hollow and positioned on the outer side of the rotating shaft, a boss is arranged on the inner side of the locking shaft, a locking assembly is arranged on one side of the locking shaft and comprises a locking pressing block, the locking pressing block is fixed on one side of the locking shaft, and a tension spring is rotatably connected on the upper side of the locking pressing block, the extension spring distal end rotates to be connected in the work piece downside, the locking briquetting outside is equipped with the sawtooth structure, the sawtooth structure is the metal material, sawtooth structure surface is the frosting.
As a further description of the above technical solution: when transmission rope was promoted and then drive initiative drive gear and rotate in the use, drive passive drive gear and rotate under the meshing effect, and then drive the axis of rotation and rotate, the axis of rotation rotates the inside centrifugal shaft of the centrifugal port that drives the axis of rotation and rotates, drop at the locking axle inner wall because of action of gravity when the centrifugal shaft rotates, be not influenced during corotation, it throws away from centrifugal shaft one end and reachs the boss upside and drive the locking axle and rotate to reach certain slew velocity when the reversal, and then drive the locking briquetting and rotate and press the prevention to the transmission rope.
Further, complementary unit includes two auxiliary frames and auxiliary cylinder, two the auxiliary frame one end is fixed in two the working frame outsides respectively, the auxiliary cylinder both ends are rotated respectively and are connected in two auxiliary frame distal ends, the auxiliary cylinder middle part is equipped with the auxiliary wheel, the auxiliary cylinder both ends are opened has a plurality of evenly distributed's auxiliary tank, the auxiliary cylinder both ends are equipped with two auxiliary assembly respectively, auxiliary assembly is including promoting the piece, it rotates to connect in the auxiliary frame upside to promote the piece, it is equipped with the auxiliary block to promote the piece outside, it rotates and is connected with auxiliary telescopic link to promote a one end, auxiliary telescopic link distal end rotates and connects in locking axle one side, the auxiliary telescopic link outside is equipped with auxiliary spring, the auxiliary spring both ends are fixed in auxiliary telescopic link both ends respectively.
As a further description of the above technical solution: the auxiliary wheel is impressed the transmission rope and is taken turns inboard in rolling during normal work, avoid the transmission rope not to get into the rolling wheel that the inside probably appears of rolling wheel completely and can't carry out synchronous rotation and cause the accuracy to descend, locking briquetting and locking axle rotate when dropping appears, drive auxiliary telescopic rod and rotate, and then will promote the piece and promote to the auxiliary cylinder, and push the auxiliary tank inside with the auxiliary block and block stall to auxiliary cylinder and auxiliary wheel, and then supplementary transmission rope stop motion.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the internal structure of the whole mechanism is compact, the weight is reduced while the size is smaller compared with that of a common pulley, the labor intensity of workers during back movement is reduced, the safety is improved in the climbing process, the transmission rope is guided due to the guide block in the use process, the possibility of twisting of the transmission rope is greatly reduced, and the rolling wheel rotates along with the movement of the transmission rope in the rotating process so as to drive the anti-falling mechanism to work.
2. According to the anti-falling device, the transmission rope moves to drive the rolling wheels to rotate in the working process, the anti-falling assembly is enabled to rotate under the meshing transmission action of the driving transmission gear and the driven transmission gear, the locking shaft and the locking pressing block are not affected in the forward rotation process, the low-speed rotation is not affected in the reverse rotation process, the reverse rotation speed is obviously increased in the heavy object falling process, the centrifugal shaft is thrown out of the centrifugal port to reach the boss position when the centrifugal shaft is increased to a certain speed, the locking shaft is driven to rotate, the locking pressing block is driven to rotate to press the outer side of the transmission rope, the larger the force borne by the movement of the transmission rope is, the larger the pressing force of the locking pressing block is, the transmission rope is pressed to prevent the continuous movement, the heavy object is emergently stopped, and damage and potential safety hazards caused by the falling of the heavy object onto the ground are avoided.
3. In the course of the work, the transmission rope is pressed in two rolls the wheel and hangs the piece outside by complementary unit, roll the wheel inboard and be equipped with many friction levers, the surface is the frosting simultaneously, area of contact and frictional force between transmission rope and the wheel that rolls have been improved, make and hang that piece and roll the wheel can be good follow the transmission rope and remove and rotate, and then drive anti-disengaging mechanism and carry out work, the job stabilization nature and the accuracy of anti-disengaging mechanism are improved, complementary unit is at the anti-disengaging mechanism during operation automatic shutdown complementary unit simultaneously, supplementary transmission rope stops promptly hovering to the heavy object.
Drawings
Fig. 1 is a schematic perspective view of an anti-falling tackle.
Fig. 2 is a schematic perspective view of the interior of the anti-falling pulley.
Fig. 3 is a schematic perspective view of a rotating shaft and a centrifugal shaft of an anti-drop assembly in an anti-drop tackle.
Fig. 4 is a schematic perspective view of a drop-out prevention pulley with a rotating shaft inside a locking shaft.
Fig. 5 is a schematic perspective view of the transmission rope of the anti-falling pulley passing into the interior.
Fig. 6 is a sectional view of an anti-falling down block.
Fig. 7 is an enlarged schematic view of a position a of the anti-falling pulley.
Illustration of the drawings:
1. a working block; 2. a working frame; 3. a suspension groove; 4. a drop-proof groove; 5. a suspension mechanism; 6. an anti-drop mechanism; 7. an auxiliary mechanism; 8. a guide block; 9. a suspension bearing; 10. a suspension block; 11. a rolling wheel; 12. a driving transmission gear; 13. an anti-drop bearing; 14. a passive drive gear; 15. an anti-drop component; 16. a rotating shaft; 17. a centrifuge opening; 18. a centrifugal shaft; 19. a lock shaft; 20. a boss; 21. a locking assembly; 22. locking and pressing blocks; 23. a tension spring; 24. an auxiliary frame; 25. an auxiliary cylinder; 26. an auxiliary wheel; 27. an auxiliary groove; 28. an auxiliary component; 29. a pushing block; 30. an auxiliary block; 31. an auxiliary telescopic rod; 32. an auxiliary spring; 33. a friction lever; 34. and (3) a sawtooth structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an anti-falling pulley comprises a working block 1, working frames 2 are fixed on two sides of the working block 1, suspension grooves 3 and anti-falling grooves 4 are formed in the inner sides of the two working frames 2, suspension mechanisms 5 and anti-falling mechanisms 6 are respectively arranged in the suspension grooves 3 and the anti-falling grooves 4, auxiliary mechanisms 7 are arranged on the outer sides of the two working frames 2, guide blocks 8 are arranged at the far ends of the two working frames 2, and lifting rings made of metal are arranged on the upper side of the working block 1;
referring to fig. 1-2, the embodiments are: the anti-falling device is compact and simple in structure, when the anti-falling device is used, a worker carries the anti-falling device to a required height, then the anti-falling device is suspended and fixed through the hanging rings, the transmission rope penetrates into the suspension mechanisms 5 in the two working frames 2, the two ends of the transmission rope can be used after respectively penetrating through the two sides of the guide block 8, if the anti-falling device falls accidentally in the using process, the anti-falling device 6 automatically works to press and fix the transmission rope in the suspension mechanisms 5 for hovering, and the overall mechanism is smaller in size and weight compared with the existing pulley, so that the labor intensity of the worker during carrying on the back for climbing is reduced, and meanwhile, the safety is improved;
the suspension mechanism 5 comprises a suspension bearing 9, two ends of the suspension bearing 9 are respectively and rotatably connected with the insides of the suspension grooves 3 of the two working frames 2, the middle part of the suspension bearing 9 is rotatably connected with a suspension block 10, two ends of the suspension block 10 are respectively and fixedly provided with a rolling wheel 11, the outer side of the rolling wheel 11 is provided with a driving transmission gear 12, the inner side of the rolling wheel 11 is provided with a plurality of uniformly distributed friction rods 33, and the outer surface of the rolling wheel 11 and the outer surface of the friction rods 33 are frosted surfaces;
please refer to fig. 3-5, which illustrate the following embodiments: the transmission rope is transmitted into the two work frames 2 through the guide block 8 and stretches across the outer sides of the suspension blocks 10 on the inner sides of the two rolling wheels 11, so that the transmission rope is placed on the upper sides of the suspension blocks 10, meanwhile, the two rolling wheels 11 extrude the outer sides of the transmission rope, the suspension blocks 10 and the rolling wheels 11 rotate synchronously along with the transmission rope when the transmission rope is pulled, the driving transmission gear 12 is driven to rotate, and the stability of driving the rolling wheels 11 and the driving transmission gear 12 to rotate when the transmission rope penetrates through the inner parts is improved by matching with the guide block 8;
the anti-falling mechanism 6 comprises two anti-falling bearings 13, one ends of the two anti-falling bearings 13 are respectively and rotatably connected inside the two suspension grooves 3, the far end of each anti-falling bearing 13 is rotatably connected with a driven transmission gear 14 meshed with the driving transmission gear 12, an anti-falling assembly 15 is arranged between the two driven transmission gears 14, each anti-falling assembly 15 comprises a rotating shaft 16, two ends of each rotating shaft 16 are respectively fixed outside the two driven transmission gears 14, each rotating shaft 16 is provided with a centrifugal opening 17, a centrifugal shaft 18 is slidably connected inside the centrifugal opening 17, a locking shaft 19 is rotatably connected between the two driven transmission gears 14, the locking shaft 19 is hollow and is positioned outside the rotating shaft 16, a boss 20 is arranged on the inner side of the locking shaft 19, one side of the locking shaft 19 is provided with a locking assembly 21, each locking assembly 21 comprises a locking pressing block 22, the locking pressing block 22 is fixed on one side of the locking shaft 19, and the upper side of the locking pressing block 22 is rotatably connected with a tension spring 23, the far end of the tension spring 23 is rotatably connected to the lower side of the working block 1, a sawtooth structure 34 is arranged on the outer side of the locking pressing block 22, the sawtooth structure 34 is made of metal, and the outer surface of the sawtooth structure 34 is a frosted surface;
referring to fig. 5-6, the embodiments are: when the transmission rope is pulled and then drives active drive gear 12 to rotate in the use process, drive passive drive gear 14 to rotate under the meshing effect, and then drive axis of rotation 16 to rotate, axis of rotation 16 rotates the inside centrifugal shaft 18 of centrifugal opening 17 that drives axis of rotation 16 and rotates, centrifugal shaft 18 drops at locking axle 19 inner wall because of the action of gravity when rotating, not influenced during corotation, when reaching certain slew velocity during reversal, receive centrifugal effect and throw away spindle 18 one end and reach 20 upsides of boss and drive locking axle 19 and rotate, and then drive locking briquetting 22 and rotate and press the prevention to the transmission rope.
Please refer to fig. 7, which illustrates an embodiment of the present invention: during normal work the auxiliary wheel 26 is impressed the transmission rope and is rolled 11 inboardly, it does not get into the inside rolling wheel 11 that probably appears of rolling wheel 11 completely to avoid the transmission rope and can't carry out synchronous rotation and cause the accuracy to descend, locking briquetting 22 and locking axle 19 rotate when dropping appearing, drive auxiliary telescopic rod 31 and rotate, and then will promote piece 29 and promote to auxiliary cylinder 25, and push into auxiliary groove 27 inside with auxiliary block 30 and block stall to auxiliary cylinder 25 and auxiliary wheel 26, and then supplementary transmission rope stop motion.
The working principle is as follows: the structure is compact and simple, when the pulley is used, a worker carries the pulley to a required height, then the pulley is suspended and fixed through the hanging ring, the transmission rope penetrates into the suspending mechanisms 5 in the two work frames 2, and two ends of the transmission rope respectively penetrate through two sides of the guide block 8, when the pulley is accidentally dropped in the use process, the anti-falling mechanism 6 automatically works to press and fix the transmission rope in the suspending mechanisms 5 for hovering, the size and the weight of the whole mechanism are smaller than those of the existing pulley, the labor intensity of the worker during back-moving climbing is reduced, meanwhile, the safety is improved, the transmission rope is transmitted into the two work frames 2 through the guide block 8 and stretches across the outer sides of the suspending blocks 10 on the inner sides of the two rolling wheels 11, the transmission rope is placed on the upper side of the suspending blocks 10, the two rolling wheels 11 extrude the outer sides of the transmission rope, and the suspending blocks 10 and the rolling wheels 11 rotate synchronously along with the transmission rope when the transmission rope is pulled, further driving the driving transmission gear 12 to rotate, the guide block 8 is matched to improve the stability of the transmission rope passing through the inside to drive the rolling wheel 11 and the driving transmission gear 12 to rotate, when the transmission rope is pulled to drive the driving transmission gear 12 to rotate in the use process, the driven transmission gear 14 is driven to rotate under the meshing action, further the rotating shaft 16 is driven to rotate, the rotating shaft 16 rotates to drive the centrifugal shaft 18 inside the centrifugal port 17 of the rotating shaft 16 to rotate, the centrifugal shaft 18 falls on the inner wall of the locking shaft 19 due to the gravity action when rotating, the centrifugal shaft is not influenced in the forward rotation process, when the centrifugal shaft reaches a certain rotating speed in the reverse rotation process, one end of the centrifugal shaft 18 is thrown out under the centrifugal action and reaches the upper side of the boss 20 to drive the locking shaft 19 to rotate, further the locking press block 22 is driven to rotate to press the transmission rope, the auxiliary wheel 26 presses the transmission rope into the inner side of the rolling wheel 11 in the normal work process, avoid the transmission rope not to get into the inside rolling wheel 11 that may appear of rolling wheel 11 completely and can't carry out synchronous rotation and cause the accuracy to descend, locking briquetting 22 and locking axle 19 rotate when dropping appear, drive auxiliary telescopic rod 31 and rotate, and then will promote piece 29 and promote to auxiliary cylinder 25 to push into auxiliary block 30 inside stopping rotation to auxiliary cylinder 25 and auxiliary wheel 26 of blockking of auxiliary groove 27, and then supplementary transmission rope stop motion.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An anti-drop formula coaster which characterized in that: including work piece (1), work piece (1) both sides are fixed with work frame (2), two work frame (2) inboard is opened has suspension groove (3) and anticreep groove (4), suspension groove (3) and anticreep groove (4) inside are equipped with respectively and hang mechanism (5) and anti-disengaging mechanism (6), two work frame (2) outside is equipped with complementary unit (7), two work frame (2) distal end is equipped with guide block (8).
2. The anti-falling tackle as claimed in claim 1, wherein the suspension mechanism (5) comprises a suspension bearing (9), two ends of the suspension bearing (9) are respectively and rotatably connected to the insides of the suspension grooves (3) of the two work frames (2), a suspension block (10) is rotatably connected to the middle of the suspension bearing (9), rolling wheels (11) are respectively fixed to two ends of the suspension block (10), and a driving transmission gear (12) is arranged on the outer side of each rolling wheel (11).
3. The anti-dropping tackle as claimed in claim 1, wherein the anti-dropping mechanism (6) comprises two anti-dropping bearings (13), one ends of the two anti-dropping bearings (13) are rotatably connected to the insides of the two suspension grooves (3), a driven transmission gear (14) engaged with the driving transmission gear (12) is rotatably connected to the distal end of the anti-dropping bearing (13), and an anti-dropping assembly (15) is disposed between the two driven transmission gears (14).
4. The anti-dropping tackle as claimed in claim 3, wherein the anti-dropping assembly (15) comprises a rotating shaft (16), both ends of the rotating shaft (16) are respectively fixed to the outer sides of the two driven transmission gears (14), the rotating shaft (16) is provided with a centrifugal port (17), a centrifugal shaft (18) is slidably connected to the inner portion of the centrifugal port (17), a locking shaft (19) is rotatably connected between the two driven transmission gears (14), the locking shaft (19) is hollow and located on the outer side of the rotating shaft (16), a boss (20) is arranged on the inner side of the locking shaft (19), and a locking assembly (21) is arranged on one side of the locking shaft (19).
5. The anti-falling tackle as claimed in claim 4, wherein the locking assembly (21) comprises a locking pressing block (22), the locking pressing block (22) is fixed on one side of the locking shaft (19), a tension spring (23) is rotatably connected to the upper side of the locking pressing block (22), and the far end of the tension spring (23) is rotatably connected to the lower side of the working block (1).
6. The anti-falling tackle as claimed in claim 1, wherein the auxiliary mechanism (7) comprises two auxiliary frames (24) and two auxiliary cylinders (25), one end of each of the two auxiliary frames (24) is fixed to the outer side of each of the two work frames (2), the two ends of each of the two auxiliary cylinders (25) are rotatably connected to the distal ends of the two auxiliary frames (24), an auxiliary wheel (26) is disposed in the middle of each of the two auxiliary cylinders (25), a plurality of uniformly distributed auxiliary grooves (27) are formed in each of the two ends of each of the two auxiliary cylinders (25), and two auxiliary assemblies (28) are disposed at each of the two ends of each of the two auxiliary cylinders (25).
7. The anti-falling tackle as claimed in claim 6, wherein the auxiliary assembly (28) comprises a pushing block (29), the pushing block (29) is rotatably connected to the upper side of the auxiliary frame (24), an auxiliary block (30) is arranged outside the pushing block (29), one end of the pushing block (29) is rotatably connected to an auxiliary telescopic rod (31), the distal end of the auxiliary telescopic rod (31) is rotatably connected to one side of the locking shaft (19), an auxiliary spring (32) is arranged outside the auxiliary telescopic rod (31), and two ends of the auxiliary spring (32) are respectively fixed to two ends of the auxiliary telescopic rod (31).
8. The anti-falling tackle as claimed in claim 1, wherein the upper side of the working block (1) is provided with a hanging ring made of metal.
9. The anti-falling tackle as claimed in claim 2, wherein the rolling wheel (11) is provided with a plurality of evenly distributed friction rods (33) on the inner side, and the outer surfaces of the rolling wheel (11) and the friction rods (33) are frosted surfaces.
10. The anti-falling tackle as claimed in claim 5, wherein a sawtooth structure (34) is disposed on an outer side of the locking pressing block (22), the sawtooth structure (34) is made of metal, and an outer surface of the sawtooth structure (34) is a frosted surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313511.5A CN114142390B (en) | 2021-11-08 | 2021-11-08 | Anti-drop pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313511.5A CN114142390B (en) | 2021-11-08 | 2021-11-08 | Anti-drop pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114142390A true CN114142390A (en) | 2022-03-04 |
| CN114142390B CN114142390B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111313511.5A Active CN114142390B (en) | 2021-11-08 | 2021-11-08 | Anti-drop pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114142390B (en) |
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| CN102709839A (en) * | 2012-05-31 | 2012-10-03 | 石家庄供电公司 | Aloft traveling device for ascending height during hot-line work |
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| CN209150609U (en) * | 2018-11-13 | 2019-07-23 | 中国南方电网有限责任公司超高压输电公司大理局 | One kind passing speed based on regulation transmission rope and fall arrest transmits coaster |
| CN111404076A (en) * | 2020-03-27 | 2020-07-10 | 国网湖南省电力有限公司 | Device and method for live replacement of wire clamp of extra-high voltage transmission line |
| CN112072542A (en) * | 2020-07-16 | 2020-12-11 | 深圳市新南润电力科技有限公司 | Overhead transmission line high-altitude transmission system and transmission operation method thereof |
| CN113241673A (en) * | 2021-05-21 | 2021-08-10 | 国网河北省电力有限公司沧州供电分公司 | High-altitude paying-off tackle and guide rope entering mechanism thereof |
| CN214337340U (en) * | 2020-10-20 | 2021-10-01 | 广西电网有限责任公司南宁供电局 | Reverse locking pulley |
-
2021
- 2021-11-08 CN CN202111313511.5A patent/CN114142390B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709839A (en) * | 2012-05-31 | 2012-10-03 | 石家庄供电公司 | Aloft traveling device for ascending height during hot-line work |
| CN105162039A (en) * | 2015-09-21 | 2015-12-16 | 国网辽宁省电力有限公司鞍山供电公司 | Portable grounding wire transmitter and using method |
| CN209150609U (en) * | 2018-11-13 | 2019-07-23 | 中国南方电网有限责任公司超高压输电公司大理局 | One kind passing speed based on regulation transmission rope and fall arrest transmits coaster |
| CN111404076A (en) * | 2020-03-27 | 2020-07-10 | 国网湖南省电力有限公司 | Device and method for live replacement of wire clamp of extra-high voltage transmission line |
| CN112072542A (en) * | 2020-07-16 | 2020-12-11 | 深圳市新南润电力科技有限公司 | Overhead transmission line high-altitude transmission system and transmission operation method thereof |
| CN214337340U (en) * | 2020-10-20 | 2021-10-01 | 广西电网有限责任公司南宁供电局 | Reverse locking pulley |
| CN113241673A (en) * | 2021-05-21 | 2021-08-10 | 国网河北省电力有限公司沧州供电分公司 | High-altitude paying-off tackle and guide rope entering mechanism thereof |
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| Publication number | Publication date |
|---|---|
| CN114142390B (en) | 2023-09-15 |
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